.index_main {
    width: 1190px;
    margin: 0 auto;
    display: grid;
    /* width: 100%; */
    grid-template-rows: auto;
    grid-template-columns: 240px auto 360px;
}

.index_main .menu {
    width: 230px;
    /* border: 1px solid #000; */
}

.index_main .menu .menu_list {}

.index_main .menu .menu_list li {
    width: 100%;
    height: 35px;
    position: relative;
}


.index_main .menu .menu_list li a {
    float: left;
    width: 200px;
    height: 100%;
}

.index_main .menu .menu_list .title {
    background-color: #A1A595;
    width: 100%;
    height: 35px;
    text-align: left;
    line-height: 35px;
    font-size: 15px;
    font-weight: 700;
    font-family: '微软雅黑';
    text-indent: 1em;
    cursor: pointer;
}

.index_main .menu .menu_list .right {
    position: absolute;
    right: 8px;
    top: 50%;
    margin-top: -9px;
    width: 14px;
    height: 18px;
    background-image: url('../images/right.png');
    background-repeat: no-repeat;
    background-size: 100% 100%;
    transform: rotateZ(0deg);
    -ms-transform: rotateZ(0deg);
    /* IE 9 */
    -moz-transform: rotateZ(0deg);
    /* Firefox */
    -webkit-transform: rotateZ(0deg);
    /* Safari 和 Chrome */
    -o-transform: rotateZ(0deg);
    /* Opera */
    transition: 0.3s;
    -moz-transition: 0.3s;
    /* Firefox 4 */
    -webkit-transition: 0.3s;
    /* Safari 和 Chrome */
    -o-transition: 0.3s;
    /* Opera */
}

.index_main .menu .menu_list .down {
    position: absolute;
    right: 8px;
    top: 50%;
    margin-top: -7px;
    width: 18px;
    height: 14px;
    background-image: url('../images/right.png');
    background-repeat: no-repeat;
    background-size: 100% 100%;
    transform: rotateZ(90deg);
    -ms-transform: rotateZ(90deg);
    /* IE 9 */
    -moz-transform: rotateZ(90deg);
    /* Firefox */
    -webkit-transform: rotateZ(90deg);
    /* Safari 和 Chrome */
    -o-transform: rotateZ(90deg);
    /* Opera */
    transition: 0.3s;
    -moz-transition: 0.3s;
    /* Firefox 4 */
    -webkit-transition: 0.3s;
    /* Safari 和 Chrome */
    -o-transition: 0.3s;
    /* Opera */
}

.index_main .menu .menu_list .red_dot {
    /* display: block; */
    display: none;
    background-color: #E5F1EC;
    border-bottom: 1px solid #ccc;
    width: 100%;
    height: 35px;
    line-height: 35px;
    text-align: left;
    font-size: 15px;
    font-family: '微软雅黑';
    text-indent: 2em;
}

.index_main .menu .menu_list .red_dot:hover {
    background-color: #FACEC2;
}

.index_main .menu .menu_list .red_dot::after {
    content: "";
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 15px;
    height: 15px;
    background-image: url('../images/右.png');
    background-size: 100%;
    background-repeat: no-repeat;
}

.index_main .container {
    width: 550px;
    height: 300px;
    overflow: hidden;
    position: relative;
}

.index_main .container .list{
    width: 3300px;
    height: 300px;
    position: absolute;
    left: 0px;
}

.index_main .container .list li{
    width: 550px;
    height: 300px;
    float: left;
}

.index_main .container .list li img{
    width: 100%;
    height: 100%;
}

.index_main .container .btn {
    position: absolute;
    width: 100px;
    height: 20px;
    bottom: 15px;
    border: 1px solid #f3d7ca;
    border-radius: 15px;
    left: 50%;
    transform: translateX(-50%);
    cursor: pointer;
}

.index_main .container .btn:hover{
    box-shadow: 1px 1px 1px #f09c67;
}
.index_main .container .btn li{
    cursor: pointer;
    display: inline-block;
    margin-left: 6px;
    vertical-align: -1px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #fbd5af;
}


.index_main .container .next,
.index_main .container .prev
{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 35px;
    height: 35px;
    opacity: 0.3;
    /* background-color: #000; */
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

.index_main .container:hover .next,
.index_main .container:hover .prev{
    opacity: 0.7;
}
.index_main .container .next:hover,
.index_main .container .prev:hover{
    opacity: 1;
}
.index_main .container .prev{
    left: 5px;
    background-image: url('../images/imgL.png');
}

.index_main .container .next{
    right: 5px;
    background-image: url('../images/imgR.png');
}
.index_main .container .btn li.on{
    background-color: #e76838;
}
.index_main .right_nav {}